| kern_shutdown.c (39522) | kern_shutdown.c (40751) |
|---|---|
| 1/*- 2 * Copyright (c) 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94 |
| 39 * $Id: kern_shutdown.c,v 1.39 1998/09/15 08:49:52 gibbs Exp $ | 39 * $Id: kern_shutdown.c,v 1.40 1998/09/20 16:50:31 dt Exp $ |
| 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 58 unchanged lines hidden (view full) --- 106 107/* 108 * callout list for things to do a shutdown 109 */ 110typedef struct shutdown_list_element { 111 LIST_ENTRY(shutdown_list_element) links; 112 bootlist_fn function; 113 void *arg; | 40 */ 41 42#include "opt_ddb.h" 43#include "opt_hw_wdog.h" 44#include "opt_panic.h" 45#include "opt_show_busybufs.h" 46 47#include <sys/param.h> --- 58 unchanged lines hidden (view full) --- 106 107/* 108 * callout list for things to do a shutdown 109 */ 110typedef struct shutdown_list_element { 111 LIST_ENTRY(shutdown_list_element) links; 112 bootlist_fn function; 113 void *arg; |
| 114 int priority; |
|
| 114} *sle_p; 115 116/* 117 * There are three shutdown lists. Some things need to be shut down 118 * earlier than others. 119 */ 120LIST_HEAD(shutdown_list, shutdown_list_element); 121 --- 148 unchanged lines hidden (view full) --- 270 dumpsys(); 271 } 272 273 /* Now that we're going to really halt the system... */ 274 LIST_FOREACH(ep, &shutdown_lists[SHUTDOWN_FINAL], links) 275 (*ep->function)(howto, ep->arg); 276 277 if (howto & RB_HALT) { | 115} *sle_p; 116 117/* 118 * There are three shutdown lists. Some things need to be shut down 119 * earlier than others. 120 */ 121LIST_HEAD(shutdown_list, shutdown_list_element); 122 --- 148 unchanged lines hidden (view full) --- 271 dumpsys(); 272 } 273 274 /* Now that we're going to really halt the system... */ 275 LIST_FOREACH(ep, &shutdown_lists[SHUTDOWN_FINAL], links) 276 (*ep->function)(howto, ep->arg); 277 278 if (howto & RB_HALT) { |
| 278 cpu_power_down(); | |
| 279 printf("\n"); 280 printf("The operating system has halted.\n"); 281 printf("Please press any key to reboot.\n\n"); 282 switch (cngetc()) { 283 case -1: /* No console, just die */ 284 cpu_halt(); 285 /* NOTREACHED */ 286 default: --- 139 unchanged lines hidden (view full) --- 426#if defined(DDB) 427 if (debugger_on_panic) 428 Debugger ("panic"); 429#endif 430 boot(bootopt); 431} 432 433/* | 279 printf("\n"); 280 printf("The operating system has halted.\n"); 281 printf("Please press any key to reboot.\n\n"); 282 switch (cngetc()) { 283 case -1: /* No console, just die */ 284 cpu_halt(); 285 /* NOTREACHED */ 286 default: --- 139 unchanged lines hidden (view full) --- 426#if defined(DDB) 427 if (debugger_on_panic) 428 Debugger ("panic"); 429#endif 430 boot(bootopt); 431} 432 433/* |
| 434 * Two routines to handle adding/deleting items on the | 434 * Three routines to handle adding/deleting items on the |
| 435 * shutdown callout lists 436 * 437 * at_shutdown(): 438 * Take the arguments given and put them onto the shutdown callout list. 439 * However first make sure that it's not already there. 440 * returns 0 on success. 441 */ 442int 443at_shutdown(bootlist_fn function, void *arg, int queue) 444{ | 435 * shutdown callout lists 436 * 437 * at_shutdown(): 438 * Take the arguments given and put them onto the shutdown callout list. 439 * However first make sure that it's not already there. 440 * returns 0 on success. 441 */ 442int 443at_shutdown(bootlist_fn function, void *arg, int queue) 444{ |
| 445 sle_p ep; | 445 return(at_shutdown_pri(function, arg, queue, SHUTDOWN_PRI_DEFAULT)); 446} |
| 446 | 447 |
| 448/* 449 * at_shutdown_pri(): 450 * Take the arguments given and put them onto the shutdown callout list 451 * with the given execution priority. 452 * returns 0 on success. 453 */ 454int 455at_shutdown_pri(bootlist_fn function, void *arg, int queue, int pri) 456{ 457 sle_p ep, ip; 458 |
|
| 447 if (queue < SHUTDOWN_PRE_SYNC 448 || queue > SHUTDOWN_FINAL) { 449 printf("at_shutdown: bad exit callout queue %d specified\n", 450 queue); 451 return (EINVAL); 452 } 453 if (rm_at_shutdown(function, arg)) 454 printf("at_shutdown: exit callout entry was already present\n"); 455 ep = malloc(sizeof(*ep), M_TEMP, M_NOWAIT); 456 if (ep == NULL) 457 return (ENOMEM); 458 ep->function = function; 459 ep->arg = arg; | 459 if (queue < SHUTDOWN_PRE_SYNC 460 || queue > SHUTDOWN_FINAL) { 461 printf("at_shutdown: bad exit callout queue %d specified\n", 462 queue); 463 return (EINVAL); 464 } 465 if (rm_at_shutdown(function, arg)) 466 printf("at_shutdown: exit callout entry was already present\n"); 467 ep = malloc(sizeof(*ep), M_TEMP, M_NOWAIT); 468 if (ep == NULL) 469 return (ENOMEM); 470 ep->function = function; 471 ep->arg = arg; |
| 460 LIST_INSERT_HEAD(&shutdown_lists[queue], ep, links); | 472 ep->priority = pri; 473 474 /* Sort into list of items on this queue */ 475 ip = LIST_FIRST(&shutdown_lists[queue]); 476 if (ip == NULL) { 477 LIST_INSERT_HEAD(&shutdown_lists[queue], ep, links); 478 } else { 479 for (; LIST_NEXT(ip, links) != NULL; ip = LIST_NEXT(ip, links)) { 480 if (ep->priority < ip->priority) { 481 LIST_INSERT_BEFORE(ip, ep, links); 482 ep = NULL; 483 break; 484 } 485 } 486 if (ep != NULL) 487 LIST_INSERT_AFTER(ip, ep, links); 488 } |
| 461 return (0); 462} 463 464/* 465 * Scan the exit callout lists for the given items and remove them. 466 * Returns the number of items removed. 467 */ 468int --- 18 unchanged lines hidden --- | 489 return (0); 490} 491 492/* 493 * Scan the exit callout lists for the given items and remove them. 494 * Returns the number of items removed. 495 */ 496int --- 18 unchanged lines hidden --- |